[PVFS-users] ia64 kernel crash / 1.6.3 pre1

[Rob Ross]

On Tue, 18 May 2004, Christoph Biardzki wrote:

> in the past couple of weeks we experienced some PVFS-induced crashes on 
> ia64 using PVFS 1.6.2. I uploaded some kernel oops debug info to 
> http://www.lrz-muenchen.de/~cbi/pvfsoops/ - it seems the problem is 
> caused by a call to memset respectively __copy_user (see 
> ksymoops.out2.gz). Has someone seen similar problems?

Hmm.  It looks like the system map isn't up to date with the kernel; 
that's too bad.  I can't tell if this is something that we've seen before 
or not.  What was going on at the time?

> Actually we also tried PVFS 1.6.3pre1 but after deleting a file the 
> IODs reproducibly did not release the space on disk (on ia32 and ia64) 
> so while the file was gone, the filesystem space was still being used. 
> Possibly a bug?

Was the file still held open somewhere?  Did you create a new file system, 
or use one with old data (which would have been a bad thing)?

Thanks,

Rob